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- An exception is an error. True FalseMusic App 1. practise file I/O and exception handling; 2. practise String processing. Aim: Task: Create a Java application that transcripts a simple song score sheet. The program asks user for filename of a text file that contains a simple song score sheet in this format: Sample song score sheet 1, song1.txt: #simple song with assumed time signature = 4 d1mls202s 1mld2o2 d1rimlfls 301s1f1m1rld4 Lines beginning with a hash #' is a comment line. A song contains one or more lines of musical notes, d, r, m, f, s, l, tand also o meaning "Off" or rest. Each single character note is followed by a single digit integer in [1 – 4], denoting the duration of the note in number of beats. After transcription, the program outputs the melody on the screen as well as to another text file: Melody output 1, on screen AND in melody_song1.txt: #simple song with assumed time signature Do Me So- Off- So Me Do Re Me Fa| So-- Off = 4 Do- Off- | So Fa Me Re Do--- | The default time signature is 4 beats per…Given a valid file object, f, which of the following calls will return the entire contents of the file in a scalar x? x = f.readline() x = f.readlines() x = f.read() X = read(f)
- When a program is finished using a file, it should do this.a. erase the fileb. close the filec. throw an exceptiond. reset the read positionIn c++ write a code that tells a user to enter a filename and read that text file line by line.in C# Code in VS studio: Create a program that has 2 options for a user to select. The first option accepts information from the user and then save that data to a file on disk. The second option loads all data stored on that file.
- The python function get_second_line takes one parameter, fname, the name of a text file. The function should open the file for reading, determine the second line of the file, close the file, and return the second line (a string). NOTE: You may assume the file will have at least two lines.When the user is done the program should calculate the MPG by calling GetMPG, catching the exception if the user did not enter any values. Then it should show the result. Stream Errors coutIn Python IDLE write a program that writes a series of random numbers to file. Each random number should be in the range of 1 through 500. The application should let the user specify how many random numbers the file will hold This exercise assumes you have completed you have completed program exercise 7 random number file writer. Write another program that reads the random numbers from the file, displayed the numbers, then displays the following data: Exception Handling: Both programs should use Try and Except Clauses to handle IOError, ValueError, and unspecified error exceptions. Be sure to test your programs for invalid cases. For example , try running the second program to read the file when it doesn’t exist or manually put bad data in the file and see what happens.
- The ObjectOutputStream class is used to serialize an Object. The following Serialize Demo program instantiates an Employee object and serializes it to a file. Complete the code. Write codes where asked with appropriate try catch block class SDemo { } main method { } //Create an Employee object //set a name for this employee //set employee number to 1010 //create an object of file output stream //create an object of the object output stream //write Employee info to this object of output stream //close the out stream //close the file //print statementIt is not possible to combine two or more file opening mode in .open() methodFile redirection allows you to redirect standard input (keyboard) and instead read from a file specified at the command prompt. It requires the use of the < operator (e.g. java MyProgram < input_file.txt) True or False